| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multi-row combination ball bearing which can maintain a well lubricated condition with grease even if a very large thrust load is applied, thereby precluding inconvenience such as seizure. <P>SOLUTION: The multi-row combination ball bearing 10 is fabricated combining at least two rows of angular ball bearings 11 which meet Da/B>0.55 and Da/H>0.50, where Da, B, H are ball diameter, bearing width, and cross section height respectively. The center of each ball 14 is offset toward the back face from the width center CL of the angular ball bearings 11, and at least one of the angular ball bearings 11 has a seal member 16 at the front thereof to seal a gap between the outer ring 12 and the inner ring 13. <P>COPYRIGHT: (C)2013,JPO&INPIT |
